Picking for CMJ on guitar

Does anyone know the picking for CMJ on the guitar (not ukulele)? I'm talking about the one in his video, with the capo on the 5th fret. Here's the song he does:

http://www.youtube.com/watch?v=PDrEOdCvXpA

I got the chords already (F, Am, Dm, Bb)
It's seriously killing us that we don't know lol.